Open Heart automatic movement ensures reliable self-winding for consistent performance
Sapphire crystal caseback provides clear visibility of the internal mechanism
42 mm stainless steel case offers durability and a modern aesthetic
Stationary stainless steel bezel allows for easy time setting without removing the crown
Foldover solid link clasp with double push button offers secure and convenient fastening
Summarized by Shop
If you could peel back the layers of the RA-AS00 to see their cores, wouldn’t you? Well now you can. The added Open Heart showcases all of the mysteries of the universe in the palm of your hand.
Movement
F6L24 automatic hand winding, approximately 40 hours power reserve